228501158 has 8 divisors (see below), whose sum is σ = 346881528. Its totient is φ = 112873984.

The previous prime is 228501157. The next prime is 228501193. The reversal of 228501158 is 851105822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228501157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688091 + ... + 688422.

It is an arithmetic number, because the mean of its divisors is an integer number (43360191).

Almost surely, 2^228501158 is an apocalyptic number.

228501158 is a deficient number, since it is larger than the sum of its proper divisors (118380370).

228501158 is a wasteful number, since it uses less digits than its factorization.

228501158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376598.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 228501158 is about 15116.2547610180. The cubic root of 228501158 is about 611.3587538506.

The spelling of 228501158 in words is "two hundred twenty-eight million, five hundred one thousand, one hundred fifty-eight".